VI. LEARNING ACTIVITIES Activity 1. Solve for the sample standard deviation and sample variance using the raw scores scores (x) ( ) ( )2 25 30 35 40 45 50 = ( ) = = Activity 2. Compute for the population standard deviation and population variance using the frequency distribution. score 25 - 29 10 30 - 34 25 35 - 39 30 40 - 44 38 45 - 49 27 50 - 54 20 55 - 59 25 60 - 64 15 N = 190 = =

VI. LEARNING ACTIVITIES Activity 1. Solve for the sample standard deviation and sample variance using the raw scores scores (x) (x - x) (x - x)2 25 30 35 40 45 50 Ex = E(X - x ) 2 = X = Activity 2. Compute for the population standard deviation and population variance using the frequency distribution. score m fm fm2 25 - 29 10 30 - 34 25 35- 39 30 40 - 44 38 45 - 49 27 50 - 54 20 55 -59 25 60 - 64 15 N = 190 Efm= Efm =